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Long Duration Balloon flight from polar regions

Long Duration Balloon flight from polar regions (Peterzen et al. ESA Symposium 2003 ESA-SP530 – St. Gallen). Flights from NSBF - USA (from Fairbanks, Alaska) At similar latitudes, flights from Kiruna (Sweden) Svalbard have higher latitude. Workshop ASI sulle Tecnologie ElettroOttiche

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Long Duration Balloon flight from polar regions

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  1. Long Duration Balloon flight from polar regions (Peterzen et al. ESA Symposium 2003 ESA-SP530 – St. Gallen) Flights from NSBF - USA (from Fairbanks, Alaska) At similar latitudes, flights from Kiruna (Sweden) Svalbard have higher latitude. Workshop ASI sulle Tecnologie ElettroOttiche ASI 14/10/2004 S. Masi

  2. Long Duration Balloon flight from polar regions (Peterzen et al. ESA Symposium 2003 ESA-SP530 – St. Gallen) Flights from NSBF - USA (from Fairbanks, Alaska) At similar latitudes, flights from Kiruna (Sweden) Svalbard are at higher latitude (78-80N). Workshop ASI sulle Tecnologie ElettroOttiche ASI 14/10/2004 S. Masi

  3. Svalbard launch tests Test launch July 24, 2004 Feasibility of LDB flight from Svalbard proved More than 40 days at float IRIDIUM telemetry subsystem for OLIMPO succesfully tested Solar panels/charge control tested Forecasted OLIMPO LDB scientific balloon flight in Summer 2006 Workshop ASI sulle Tecnologie ElettroOttiche ASI 14/10/2004 S. Masi

  4. Workshop ASI sulle Tecnologie ElettroOttiche ASI 14/10/2004 S. Masi

  5. Workshop ASI sulle Tecnologie ElettroOttiche ASI 14/10/2004 S. Masi

  6. Telemetry / TC / data acquisition for Long Duration Balloon FlightsPolar flights are not in Line of Sight.Solution:a) Satellite relay telemetry / TC systemIridium TM/TC for selected/compressed data (INGV, G. Romeo/Phys.Dept)b) on-board full storagec) data dump on selected ground stations Workshop ASI sulle Tecnologie ElettroOttiche ASI 14/10/2004 S. Masi

  7. Iridium • 66 satelliti (6 ricambi già in orbita) a 780 km • 100 minuti di periodo orbitale • Frequenza comunicazione verso terra (utenza) 1616..1625 MHz • Frequenza satellite-satellite 23.18-23.38 GHZ • Frequenza satellite-terra 19.4..19.2 GHz • Frequenza terra-satellite 29.1-29.3 GHz • Velocità di trasmissione per canale 2400 bps

  8. Attuale telemetria basata su IRIDIUM IRIDIUM data kit IRIDIUM phone rs232 antenna RCM2000 main processor rs232 Main processor monitor Level adapter rs232 Digital I/O rs232 on-off phone GPS receiver antenna adc board Vessel temperature scientific adc (unused) Arm temperature Solar array Panels temperature Panels voltage Panels current Battery voltage 8 channels igniter driver To and from igniters power supply Charge controller Low battery switch Data monitor battery

  9. PEGASO layout 10 cm GPS Antenna IRIDUM Antenna U0 Mechanical assembly Temperature sensor Boards description U0 : IRIDIUM Telephone U1 : CPU and GPS Receiver U2.1: Flux Gate (Ch1),unused U2.2: Flux Gate (Ch2), unused U2.3: Flux Gate (Ch3), unused U3 : ADC board U4 : power supply U5 : charge contoller U6 : igniters driver and tester U1 U2.1 70 cm U2.2 Boards U2.3 U3 U4 U5 U6 Battery Testing connector Panels connector Flux Gate Magn. conn. Ballast / Release connector

  10. Workshop ASI sulle Tecnologie ElettroOttiche ASI 14/10/2004 S. Masi

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